Study Says Preference for Geometric Pattern Could Predict If a Child is Autistic or Not

by Kathy Jones on  September 07, 2010 at 10:53 PM Child Health News
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Researchers at the University of California, San Diego School of Medicine say that a preference for geometric patterns early in life could be a signature behavior in infants who are at-risk for autism.

This preference was found in infants at-risk for autism as young as 14 months of age.

The researchers used eye-tracking methods to show that toddlers with autism spend significantly more time visually examining dynamic geometric patterns than they do looking at social images a viewing pattern not found in either typical or developmentally delayed toddlers.

"In testing 110 toddlers ages 14 to 42 months, we found that all of the toddlers who spent more than 69 percent of their time fixing their gaze on geometric images could be accurately classified as having an autism spectrum disorder or ASD," said Dr. Karen Pierce.

During this study, babies ranging in age between 12 and 42 months sat on their mother's lap as they watched a one-minute movie that contained shapes moving on one side of the screen (i.e., "dynamic geometric patterns) and children dancing and doing yoga on the other (i.e., "dynamic social images").

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